mirror of
https://github.com/frej/fast-export.git
synced 2025-11-03 17:55:49 +01:00
133 lines
4.0 KiB
Python
Executable File
133 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python2
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# Copyright (c) 2007, 2008 Rocco Rutte <pdmef@gmx.net> and others.
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# License: MIT <http://www.opensource.org/licenses/mit-license.php>
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from mercurial import hg,util,ui,templatefilters
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from mercurial import error as hgerror
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from mercurial.scmutil import binnode
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import re
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import os
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import sys
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import subprocess
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PY2 = sys.version_info.major < 3
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if PY2:
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str = unicode
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fsencode = lambda s: s.encode(sys.getfilesystemencoding())
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else:
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from os import fsencode
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# default git branch name
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cfg_master=b'master'
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# default origin name
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origin_name=b''
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# silly regex to see if user field has email address
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user_re=re.compile(b'([^<]+) (<[^>]*>)$')
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# silly regex to clean out user names
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user_clean_re=re.compile(b'^["]([^"]+)["]$')
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def set_default_branch(name):
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global cfg_master
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cfg_master = name.encode('utf8') if not isinstance(name, bytes) else name
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def set_origin_name(name):
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global origin_name
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origin_name = name
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def setup_repo(url):
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try:
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myui=ui.ui(interactive=False)
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except TypeError:
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myui=ui.ui()
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myui.setconfig(b'ui', b'interactive', b'off')
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# Avoids a warning when the repository has obsolete markers
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myui.setconfig(b'experimental', b'evolution.createmarkers', True)
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return myui,hg.repository(myui, fsencode(url)).unfiltered()
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def fixup_user(user,authors):
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user=user.strip(b"\"")
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if authors!=None:
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# if we have an authors table, try to get mapping
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# by defaulting to the current value of 'user'
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user=authors.get(user,user)
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name,mail,m=b'',b'',user_re.match(user)
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if m==None:
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# if we don't have 'Name <mail>' syntax, extract name
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# and mail from hg helpers. this seems to work pretty well.
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# if email doesn't contain @, replace it with devnull@localhost
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name=templatefilters.person(user)
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mail=b'<%s>' % templatefilters.email(user)
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if b'@' not in mail:
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mail = b'<devnull@localhost>'
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else:
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# if we have 'Name <mail>' syntax, everything is fine :)
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name,mail=m.group(1),m.group(2)
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# remove any silly quoting from username
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m2=user_clean_re.match(name)
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if m2!=None:
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name=m2.group(1)
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return b'%s %s' % (name,mail)
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def get_branch(name):
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# 'HEAD' is the result of a bug in mutt's cvs->hg conversion,
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# other CVS imports may need it, too
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if name==b'HEAD' or name==b'default' or name==b'':
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name=cfg_master
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if origin_name:
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return origin_name + b'/' + name
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return name
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def get_changeset(ui,repo,revision,authors={},encoding=''):
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(manifest,user,(time,timezone),files,desc,extra)=repo.changelog.read(revision)
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if encoding:
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user=user.decode(encoding).encode('utf8')
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desc=desc.decode(encoding).encode('utf8')
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tz=b"%+03d%02d" % (-timezone // 3600, ((-timezone % 3600) // 60))
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branch=get_branch(extra.get(b'branch', b''))
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return (manifest,fixup_user(user,authors),(time,tz),files,desc,branch,extra)
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def mangle_key(key):
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return key
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def load_cache(filename,get_key=mangle_key):
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cache={}
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if not os.path.exists(filename):
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return cache
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f=open(filename,'rb')
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l=0
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for line in f.readlines():
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l+=1
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fields=line.split(b' ')
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if fields==None or not len(fields)==2 or fields[0][0:1]!=b':':
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sys.stderr.write('Invalid file format in [%s], line %d\n' % (filename,l))
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continue
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# put key:value in cache, key without ^:
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cache[get_key(fields[0][1:])]=fields[1].split(b'\n')[0]
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f.close()
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return cache
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def save_cache(filename,cache):
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f=open(filename,'wb')
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for key, value in cache.items():
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if not isinstance(key, bytes):
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key = str(key).encode('utf8')
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if not isinstance(value, bytes):
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value = str(value).encode('utf8')
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f.write(b':%s %s\n' % (key, value))
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f.close()
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def get_git_sha1(name,type='heads'):
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try:
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# use git-rev-parse to support packed refs
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ref="refs/%s/%s" % (type,name.decode('utf8'))
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l=subprocess.check_output(["git", "rev-parse", "--verify",
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"--quiet", ref.encode('utf8')])
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if l == None or len(l) == 0:
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return None
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return l[0:40]
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except subprocess.CalledProcessError:
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return None
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